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Finding the Fourth Proportional to 497,016.20, 745,524.30 and 123,039.20

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Solution

The fourth proportional to 497,016.20, 745,524.30 and 123,039.20 is: 184,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,016.20 : 745,524.30 = 123,039.20 : x
  2. Step 2: Convert to fraction form
    497,016.20/745,524.30 = 123,039.20/x
  3. Step 3: Cross multiply
    497,016.20x = 745,524.30 × 123,039.20
  4. Step 4: Simplify right side
    497,016.20x = 91,728,709,724.94
  5. Step 5: Solve for x
    x = 91,728,709,724.94/497,016.20
  6. Step 6: Final answer
    x = 184,558.79

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.